Question

Read each of the following to the correct number of significant figures. Note: Laboratory glassware should always be read from the bottom of the meniscus. Digital balances normally display mass to the correct number of significant figures for that particular balance.

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a) 4.50
b) 4.5
c) 4.502
d) 4.5023

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a) 27.43
b) 7.43
c) 27.432
d) 27.4